Unity类银河恶魔城学习记录12-3 p125 Limit Inventory Slots源代码

Alex教程每一P的教程原代码加上我自己的理解初步理解写的注释，可供学习Alex教程的人参考
此代码仅为较上一P有所改变的代码

【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili

Inventory.cs

using Newtonsoft.Json.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

public class Inventory : MonoBehaviour
{
    public static Inventory instance;

    public List<ItemData> startingItem;

    public List<InventoryItem> equipment;//inventoryItems类型的列表
    public Dictionary<ItemData_Equipment, InventoryItem> equipmentDictionary;//以ItemData为Key寻找InventoryItem的字典

    public List<InventoryItem> inventory;//inventoryItems类型的列表
    public Dictionary<ItemData, InventoryItem> inventoryDictionary;//以ItemData为Key寻找InventoryItem的字典

    public List<InventoryItem> stash;
    public Dictionary<ItemData, InventoryItem> stashDictionary;

    [Header("Inventory UI")]

    [SerializeField] private Transform inventorySlotParent;
    [SerializeField] private Transform stashSlotParent;
    [SerializeField] private Transform equipmentSlotParent;
    [SerializeField] private Transform statSlotParent;


    private UI_itemSlot[] inventoryItemSlot;//UI Slot的数组
    private UI_itemSlot[] stashItemSlot;
    private UI_equipementSlots[] equipmentSlot;
    private UI_Statslot[] statSlot;

    [Header("Items cooldown")]
    private float lastTimeUsedFlask;
    private float lastTimeUsedArmor;
    private float flaskCooldown;
    private float armorCooldown;

    private void Awake()
    {
        if (instance == null)
            instance = this;
        else
            Destroy(gameObject);
        //防止多次创建Inventory
    }

    public void Start()
    {
        inventory = new List<InventoryItem>();
        inventoryDictionary = new Dictionary<ItemData, InventoryItem>();


        stash = new List<InventoryItem>();
        stashDictionary = new Dictionary<